closed-circuit television
noun/ˌkləʊzd ˌsɜːkɪt ˈtelɪvɪʒn/
/ˌkləʊzd ˌsɜːrkɪt ˈtelɪvɪʒn/
[uncountable] (abbreviation CCTV)
- a television system that works within a limited area, for example a public building, especially to protect it from crimeTopics Crime and punishmentc2Oxford Collocations DictionaryClosed-circuit television is used before these nouns:
- surveillance
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closed-circuit television